133698 has 8 divisors (see below), whose sum is σ = 267408. Its totient is φ = 44564.

The previous prime is 133697. The next prime is 133709. The reversal of 133698 is 896331.

133698 is nontrivially palindromic in base 12.

133698 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

133698 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 133698.

It is not an unprimeable number, because it can be changed into a prime (133691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11136 + ... + 11147.

It is an arithmetic number, because the mean of its divisors is an integer number (33426).

2¹³³⁶⁹⁸ is an apocalyptic number.

133698 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133698 is a wasteful number, since it uses less digits than its factorization.

133698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22288.

The product of its digits is 3888, while the sum is 30.

The square root of 133698 is about 365.6473711105. The cubic root of 133698 is about 51.1338276812.

The spelling of 133698 in words is "one hundred thirty-three thousand, six hundred ninety-eight".